Manama, Feb. 23 (BNA):  His Royal Highness Prince Salman bin Hamad Al Khalifa, the Crown Prince and Prime Minister, today sent a cable of congratulations to HE Alar Karis, the President of the Republic of Estonia, on Estonia’s Independence Day. His Royal Highness sent a similar cable to HE Kristen Michal, the Prime Minister of Estonia. H.F, A.J, A.A